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07-10-2011, 02:17 PM | #1 |
restorer of the original
Join Date: Mar 2008
Location: Zionsville,PA
Moto: '93 ZR1100 &'73 Kawasaki H1 500
Posts: 1,331
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Mixing tires?
Two years ago I put a set of Bridgestone BT 021 on my '93 Kawasaki ZR1100
It's time for a new front tire ( the back still has plenty of life left in it ) but it seems the BT 021 has been discontinued. The front tire is 12/70-18 ( kawasaki thought an oddball size was a good idea? ) http://www.bikebandit.com/bridgeston...otorcycle-tire BT 021 BT 023 I don't race, rarely go over 80 mph but like to corner ( within reason on a 1993 cycle ). See any problems? Here's the product description from Bike Bandit Looking for consistent performance between touring and sport riding? Bridgestone's BT-023 has a new tread pattern and rubber compound that deliver long mileage, a high level of wet performance, a comfortable ride and good grip. The rear tire's 3LC (Dual Compound) technology provides good stability and wear life in center and strong grip and bump absorption in shoulder of tire. Silica plus RC polymer (assists silica effect and controls rubber properties) enhances wet performance and wear life. Between my AMA discount ( 10% ) and a $10 BB gift card I got with my AMA renewal, I can get the tire for $107 shipped. Thanks Jeff |
07-10-2011, 02:23 PM | #2 |
Viff6N Mutated Warrior
Join Date: Mar 2009
Location: Texas
Moto: '01 Honda VFR 800 & '09 ER-6N
Posts: 8,704
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I always just replace both. The front may not be as worn out as the rear but it's just as dried up and cracked as the rear.
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07-10-2011, 02:25 PM | #3 |
Moto GP Star
Join Date: Nov 2008
Posts: 11,022
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If its the same brand/profile I would swap it. a lot of track guys will use two rears to every front tire.
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07-10-2011, 02:28 PM | #4 | |
restorer of the original
Join Date: Mar 2008
Location: Zionsville,PA
Moto: '93 ZR1100 &'73 Kawasaki H1 500
Posts: 1,331
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Quote:
Thanks Tommy. |
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07-10-2011, 02:41 PM | #5 |
Custom User Title
Join Date: Nov 2008
Location: Central NY
Moto: 2003 SV650S
Posts: 14,959
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This. I've replaced fronts first and vice versa with same brand and profile though it's rare for the front to go first
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07-10-2011, 02:42 PM | #6 |
token jewboy
Join Date: Nov 2008
Moto: CBR 900, KLR ugly ass duckling, Gas Man
Posts: 10,799
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I'll tell you from experience that using vastly different tires on the front and back can have devastating consequences on handling. A few years ago, possibly 02 or 03 I had a pair of DOT race tires on my ninja, the front tire was fine and I was broke so I replaced the rear with the cheapest decent tire I found in the right size with the expectation that in a few months I would be able to afford the $300 Dot race rear. The tire I put on wasnt a no name brand tire, if I remember correctly it was a dunlop sport touring tire.
The handling was super sketchy, it felt like the back end would way over rotate in every corner, almost like it was washing out on me. the bike would twitch, become unstable jerk around and became very unpredicatble. I was told by others that it would wag back and forth a 6 inches in either direction mid turn. I thought it was just the new tire curse and took it easy for a while, but it never went away. Basically the bike was next to unrideable. I wound up asking online and the general consensus was to dump one of the tires and put on a matching tire. So I dumped the front for a matching tire and was fine. Now this is a very extreme example, super grippy up front and long lasting and harder in the rear, two tires with vastly different profiles. To say it was just plain dangerous is an understatement. It was a big lesson learned and since then I have always put on matching tires. But i have heard of people who put on similar performance and profile tires and been fine, but my experience was bad, and it was a stupid thing to try on my part.
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07-10-2011, 03:32 PM | #7 |
Let's do another U-turn
Join Date: Feb 2008
Location: Indiana
Moto: 2009 V-Strom
Posts: 3,816
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Key here is that it's the same brand/profile. I think derf highlighted this best. I'm about due for a new rear tire. Stock front is still okay, but I don't want to stay with the stock tires. May buy another stock rear just to get me through till next tire change, though. But I really want a better tire, both front and rear.
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07-10-2011, 04:22 PM | #8 | |||
restorer of the original
Join Date: Mar 2008
Location: Zionsville,PA
Moto: '93 ZR1100 &'73 Kawasaki H1 500
Posts: 1,331
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07-10-2011, 04:29 PM | #9 | |
token jewboy
Join Date: Nov 2008
Moto: CBR 900, KLR ugly ass duckling, Gas Man
Posts: 10,799
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Quote:
It was also a good lesson on how much tires actually slide around on the road
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07-11-2011, 09:26 AM | #10 | |
Soul Man
Join Date: Nov 2008
Location: Everywhere, all the time.
Moto: '0000 Custom Turbo Cross (with jet kit).
Posts: 6,481
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Quote:
I mixed brands and different profiles with varying degrees of success when I was vintage racing. You pretty much had to, as not many manufactures make sticky rubber for rims nobody runs anymore. A lot of guys actually ran front tires on the rear, with excellent results. Obviously, I'm not suggesting you do this on your bike, but the point is, yes, you can mix tires. The problem is, there is no "data base" concerning which tires work together, and which ones don't, so it's a bit of a crap shoot. If you ask ten riders at the track what the "best" combo is, you'll get ten different answers, so trial and error is the only sure fire way to figure out what works for you. I know that's absolutely no help at all, but that's how it goes. JC
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